.daohang {
    margin-left: 10px;
}

.header-index {
    border: none;
    /* 背景色 */
    background-color: #101010;
}

.layui-nav {
    background-color: rgba(0, 0, 0, 0);
}


.logo {
    position: absolute;
    left: 0;
    top: 16px;
    padding-left: 40px;
    padding-top: 3px;
    color: DarkSlateGray;
    font-size: 18px;
    font-weight: bold;
}

.header-index .layui-nav .layui-nav-item {
    margin: 0 20px;
}

.video-head-wrap {
    padding-bottom: 58.44907407407407% !important;

}

.body-wrap {
    padding-top: 58.44907407407407%;
}
